Fix typos found by http://github.com/lyda/misspell-check

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157885 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp b/lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp
index ff0136e..2695163 100644
--- a/lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp
+++ b/lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp
@@ -50,7 +50,7 @@
 
    const TargetMachine &tm = (*IS->MF).getTarget();
    ResourcesModel = tm.getInstrInfo()->CreateTargetScheduleState(&tm,NULL);
-   // This hard requirment could be relaxed, but for now
+   // This hard requirement could be relaxed, but for now
    // do not let it procede.
    assert (ResourcesModel && "Unimplemented CreateTargetScheduleState.");
 
@@ -353,7 +353,7 @@
 }
 
 /// Estimates change in reg pressure from this SU.
-/// It is acheived by trivial tracking of defined
+/// It is achieved by trivial tracking of defined
 /// and used vregs in dependent instructions.
 /// The RawPressure flag makes this function to ignore
 /// existing reg file sizes, and report raw def/use
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 305d03a..ab3ce48 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -844,7 +844,7 @@
 }
 
 /// clearDanglingDebugInfo - Clear the dangling debug information
-/// map. This function is seperated from the clear so that debug
+/// map. This function is separated from the clear so that debug
 /// information that is dangling in a basic block can be properly
 /// resolved in a different basic block. This allows the
 /// SelectionDAG to resolve dangling debug information attached
@@ -2810,7 +2810,7 @@
 }
 
 // Utility for visitShuffleVector - Return true if every element in Mask,
-// begining from position Pos and ending in Pos+Size, falls within the
+// beginning from position Pos and ending in Pos+Size, falls within the
 // specified sequential range [L, L+Pos). or is undef.
 static bool isSequentialInRange(const SmallVectorImpl<int> &Mask,
                                 unsigned Pos, unsigned Size, int Low) {
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
index dbf959b..d0fde6f 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
@@ -340,7 +340,7 @@
   void clear();
 
   /// clearDanglingDebugInfo - Clear the dangling debug information
-  /// map. This function is seperated from the clear so that debug
+  /// map. This function is separated from the clear so that debug
   /// information that is dangling in a basic block can be properly
   /// resolved in a different basic block. This allows the
   /// SelectionDAG to resolve dangling debug information attached
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 56b1719..a54b5b1 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -2008,7 +2008,7 @@
         }
       }
 
-      // Make sure we're not loosing bits from the constant.
+      // Make sure we're not losing bits from the constant.
       if (MinBits < C1.getBitWidth() && MinBits > C1.getActiveBits()) {
         EVT MinVT = EVT::getIntegerVT(*DAG.getContext(), MinBits);
         if (isTypeDesirableForOp(ISD::SETCC, MinVT)) {